Hardrace Rear Differential Cooling Deflector | Toyota GR Yaris (2020+)
Prevent 4WD Overheating on Track
The Toyota GR Yaris is a rally-bred powerhouse, but the rear differential can be prone to high operating temperatures during prolonged track sessions or aggressive driving. When the diff gets too hot, the car’s safety systems can temporarily disable the AWD system to protect the drivetrain.
The Hardrace Rear Differential Cooling Deflector (Q1599) is a simple, effective, and track-proven solution. By catching and directing a high volume of clean air directly onto the differential casing, this deflector significantly reduces peak temperatures, allowing you to stay on track longer and maintain consistent AWD performance.
Engineered for Efficiency
Designed specifically for the GR Yaris chassis, this deflector uses aerodynamic principles to harvest airflow from under the car that would otherwise bypass the drivetrain.
Maximum Airflow: Strategically angled to scoop air and channel it across the cooling fins of the rear differential.
Reliable Cooling: Reduces the thermal load on the differential fluid, extending its life and protecting internal components.
Durable Construction: Made from high-strength materials to withstand road debris and the high-speed pressures of track use.
Precision Fit: A direct-fit component for the 2020+ Toyota GR Yaris, requiring no permanent modifications.
Technical Specifications
Part Number: Q1599
Fitment: Toyota GR Yaris (2020–Present)
Installation: Direct bolt-on to existing chassis points.
Professional Fitting at String Theory Garage
Don't want to get under the car? We can fit the Hardrace Diff Deflector for you at our specialist workshop in Stratford-upon-Avon.
How to book: Simply select "Collection from String Theory" as your delivery option during checkout, and our team will be in touch to arrange your workshop booking.
